EP2826571A3 - Method for manufacturing a pulley for motor vehicle applications - Google Patents

Method for manufacturing a pulley for motor vehicle applications Download PDF

Info

Publication number
EP2826571A3
EP2826571A3 EP20140174834 EP14174834A EP2826571A3 EP 2826571 A3 EP2826571 A3 EP 2826571A3 EP 20140174834 EP20140174834 EP 20140174834 EP 14174834 A EP14174834 A EP 14174834A EP 2826571 A3 EP2826571 A3 EP 2826571A3
Authority
EP
European Patent Office
Prior art keywords
reference plane
cup
shaped portion
disk
generate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20140174834
Other languages
German (de)
French (fr)
Other versions
EP2826571A2 (en
EP2826571B1 (en
Inventor
Oscar Bonú
Stefano Bonú
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agla Power Transmission SpA
Original Assignee
Agla Power Transmission SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agla Power Transmission SpA filed Critical Agla Power Transmission SpA
Publication of EP2826571A2 publication Critical patent/EP2826571A2/en
Publication of EP2826571A3 publication Critical patent/EP2826571A3/en
Application granted granted Critical
Publication of EP2826571B1 publication Critical patent/EP2826571B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/26—Making other particular articles wheels or the like
    • B21D53/261—Making other particular articles wheels or the like pulleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/24—Deep-drawing involving two drawing operations having effects in opposite directions with respect to the blank
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/02—Die constructions enabling assembly of the die parts in different ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/30—Making machine elements wheels; discs with gear-teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/42—Making machine elements wheels; discs pulleys, e.g. cable pulleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K23/00—Making other articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)
  • Forging (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

The invention relates to a method for manufacturing a pulley (1) for motor vehicle applications starting from a plane disk (21), which has a central axis (A) and defines a reference plane (P) orthogonal to said axis (A); the method comprises the steps of: bending an annular peripheral portion (51) of the disk (21) in a direction transverse to the reference plane (P) so as to define a rim (59) in relief; deforming, in a first axial direction (S), a central portion (52) of the disk (21) so as to generate a first cup-shaped portion (53); deforming, in a second axial direction (T) opposite to the first direction (S), a central portion of the first cup-shaped portion (53) so as to generate a second cup-shaped portion (86) axially projecting from the opposite side of the reference plane (P) with respect to the rim (59); reducing the axial height of the second cup-shaped portion (86) with respect to the reference plane (P) so as to increase the thickness thereof; and carrying out a coining operation on a surface (13) of the second cup-shaped portion (86) that is parallel to the reference plane (P) and faces the opposite side of the reference plane (P) itself to generate a plurality of radial impressions (15).
EP14174834.3A 2013-06-28 2014-06-27 Method for manufacturing a pulley for motor vehicle applications Active EP2826571B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000533A ITTO20130533A1 (en) 2013-06-28 2013-06-28 METHOD FOR THE REALIZATION OF A PULLEY FOR SELF-MOTIONIC APPLICATIONS

Publications (3)

Publication Number Publication Date
EP2826571A2 EP2826571A2 (en) 2015-01-21
EP2826571A3 true EP2826571A3 (en) 2015-04-22
EP2826571B1 EP2826571B1 (en) 2016-06-15

Family

ID=49035868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14174834.3A Active EP2826571B1 (en) 2013-06-28 2014-06-27 Method for manufacturing a pulley for motor vehicle applications

Country Status (4)

Country Link
EP (1) EP2826571B1 (en)
ES (1) ES2591152T3 (en)
IT (1) ITTO20130533A1 (en)
PL (1) PL2826571T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI698611B (en) * 2016-05-31 2020-07-11 祥偉自動科技股份有限公司 Connecting seat and forming method of connecting seat

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080644A (en) * 1958-09-12 1963-03-12 Eaton Mfg Co Method of making a wheel
US4831705A (en) * 1987-06-17 1989-05-23 Kabushiki Kaisha Kanemitsu Method of manufacturing a sheet metal poly-V pulley
EP0678351A1 (en) * 1994-03-22 1995-10-25 Societe Financiere D'etude Et De Developpement Industriel Et Technologique - Sofedit Method of producing a multi-belt pulley, form tool for carrying out the method and pulley thus obtained
US20070125147A1 (en) * 2005-12-06 2007-06-07 Yahya Hodjat Method of forming a part

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080644A (en) * 1958-09-12 1963-03-12 Eaton Mfg Co Method of making a wheel
US4831705A (en) * 1987-06-17 1989-05-23 Kabushiki Kaisha Kanemitsu Method of manufacturing a sheet metal poly-V pulley
EP0678351A1 (en) * 1994-03-22 1995-10-25 Societe Financiere D'etude Et De Developpement Industriel Et Technologique - Sofedit Method of producing a multi-belt pulley, form tool for carrying out the method and pulley thus obtained
US20070125147A1 (en) * 2005-12-06 2007-06-07 Yahya Hodjat Method of forming a part

Also Published As

Publication number Publication date
EP2826571A2 (en) 2015-01-21
ITTO20130533A1 (en) 2014-12-29
PL2826571T3 (en) 2017-01-31
EP2826571B1 (en) 2016-06-15
ES2591152T3 (en) 2016-11-25

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